* {
  margin: 0;
  padding: 0;
}
 
#igs {
  margin: 10px auto;
  width:100%;
  height:10%;	
  position: absolute;
}
 
.ig {
	width: 100%;
	text-align:center;
  position: absolute;
}
.imgs{
	width: 95%;
	height:250px;
}
.btn{
  position: absolute;
  color: #fff;
  top: 110px;
  width: 40px;
  height: 70px;
  background-color: rgba(255,255,255,.3);
  font-size: 40px;
  font-weight: bold;
  text-align: center;
  line-height: 70px;
  border-radius: 5px;
  margin: 0 5px;
}
 
.btn2{
  position: absolute;
  right: 0px;
}
 
.btn:hover{
  background-color: rgba(0,0,0,.7);
}

.pro_tit{
	margin-top: 75%;
	border:none;
	width: 90%;
	font-size: calc(19vw/3.75);
	font-weight:bold;
	margin-left: 3%;
}
.pro_much{
	color: red;
	font-size: calc(17ssvw/3.75);
	font-weight:bold;
	margin-left: 3%;
}
.pro_info{
	margin-top: 5%;
	font-size: calc(17ssvw/3.75);
	margin-left: 3%;
}
.pro_info_stock{
	margin-top: 5%;
	font-size: calc(15vw/3.75);
	color: #949292;
	margin-left: 3%;
}
.div-but{
     text-align:center;
     margin-top:5%;
}
.div-but-submit{
	height: 35px;
    width: 18%;
    color: royalblue;
    border:none;
    -webkit-border-radius:10px;
    font-weight:bold;
    margin-left:80%;
}


